 Model Number |
ZW32-12 Outdoor Vacuum |
Detailed Product Description
zw32-12 series pillar type outdoor vacuum high-voltage circuitbreaker is a kind of outdoor high-voltage switch equipment of three phase current 50HZ,rated voltage 12kv.It is used in opening and closing the load current, overload current and short circuit current of the power distribution network of the whole city or the village.
a. ambient air temperature , upper limit +40, lower limit-40
b. elevation,:≤1000mIf there is any need to increase the elevation,, the rated should be increased properly
c. , less than 700pa(the same as 34m/s wind speed)
d. Amplitude, The earthquake intensity does not exceed 8 degrees
e. pollution level, level 3
f. daily range of temperature ,less than 25
The main technical parameter,
|
project
|
unit
|
zw32-12/T400-12.5
|
zw32-12/T630-16
|
zw32-12/T630-20
|
|
rated voltage
|
KV
|
12
|
|
rated current
|
A
|
400
|
630
|
630
|
|
rated short open current
|
KA
|
12.5
|
16
|
20
|
|
rated short making current(peak)
|
31.5
|
40
|
50
|
|
rated peak withstand current
|
31.5
|
40
|
50
|
|
rated short withstand current
|
12.5
|
16
|
20
|
|
rated short duration
|
s
|
4
|
|
rated isolation level
|
thunder impulse withstand voltage (peak )
|
kv
|
alternated, to earth75, fracture85
|
|
1min power frequency withstand voltage
|
alternatedto earth 42 tracture85
|
|
rated operating sequence
|
|
close-0.3s- open and close-180s- open and closeelectromotion agency
|
|
operations of short-circuit making current breaking current interruption
|
|
30
|
|
mechanical life
|
10000
|
|
rated operating voltage(open and close coil)
|
v
|
DC220 110 AC220 110
|
|
contact erosion permission length
|
mm
|
3
|
|
rated current of overcurrent trip
|
A
|
5
|
|
current ratio of mutual inductor
|
|
200/5 400/5 600/5
|
|
rated contact stroke
|
mm
|
9±1
|
|
2±0.5
|
|
average opening speed
|
m/s
|
1.2±0.3
|
|
average closing speed
|
0.6±0.2
|
|
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